PLC: Lights don't turn on when programmed

ProblemIf triggers in the light program are not in numerical order from 00:00 to 23:59 then the lights may not turn on when expected.For example, trigger 1 set at 7:00 and trigger 2 set at 6:00 WILL NOT WORK.

SolutionThe PLC views 00:00 as the first time of the day. Program all triggers in sequential order from 00:00 to 23:59. For example, if you want to trigger the lights at 00:00, 03:00, 14:00 & 20:00 set it like this: